﻿<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>How to use CSS:Internal</title>
    <style>
        .h2-test{
            color: blue;
            font-size: 50px;
        }
    </style>
</head>
<body>
<h2 class="h2-test">
    How to use CSS:Internal
</h2>

<div class="h2-test">
    hello world
</div>
</body>
</html>